Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
1  | Was the vehicle checked for diagnostic trouble codes (DTC's)?  | --  | Go to Step 2  | Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 3.1L (LG8) or Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 3.8L  | 
2  | Inspect the fuel gauge. Does the fuel gauge work?  | --  | Go to Step 3  | Go to Gages Inoperative - All  | 
3  | 
 Is the low oil level indicator ON?  | --  | Go to Step 4  | Go to Step 6  | 
4  | Inspect circuit 1174 between connector C2 terminal 58 at the PCM and terminal A at the engine oil level switch for an open or high resistance. Is circuit 1174 open or have high resistance?  | --  | Go to Step 5  | Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 3.1L (LG8) or Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 3.8L  | 
5  | Repair circuit 1174. Is the repair complete?  | --  | System OK  | --  | 
6  | 
 Is the low oil level indicator ON?  | --  | Go to Step 7  | Go to Step 8  | 
7  | Inspect circuit 451 for an open or high resistance. Is the repair complete?  | --  | System OK  | --  | 
8  | Replace engine oil level switch Is repair complete?  | --  | System OK  | --  |